American Bottom Bracket

This Dimension American bottom bracket is built for use with one-piece cranks, offering a straightforward replacement for your BMX or cruiser setup. It is a dependable component from Dimension, designed to fit standard American bottom bracket shells.

• Fits American bottom bracket shells for one-piece crank applications
• Cups measure 51mm outside diameter (OD)
• Manufactured by Dimension, a trusted name in bicycle components
• Simple, no-nonsense design for dependable performance